title: Effects of route of administration on methadone disposition in the rat.
mesh_terms: D000284:Administration, Oral; D000311:Adrenal Glands / Q000378:metabolism; D000818:Animals; D001921:Brain / Q000378:metabolism; D006207:Half-Life; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D007668:Kidney / Q000378:metabolism; D008297:Male; D008691:Methadone / Q000008:administration & dosage* / Q000378:metabolism; D051381:Rats
chemical_list: D008691:Methadone